| Separation of sperm whale click-trains for multipath rejection. | |
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MedLine Citation:
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PMID: 21682385 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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In this paper an algorithm is described for grouping sperm whale clicks received at a single hydrophone into click-trains associated with a given whale and propagation path. To accomplish this, features are extracted from pairs of clicks in order to derive a statistical measure of click similarity. Then, the algorithm maximizes a global measure of similarity between the associated clicks. In addition to grouping clicks according to click-trains, it classifies click-trains into a propagation path (direct, surface, bottom reverberation). The propagation path is identified using a combination of (1) a statistical classifier operating on features extracted from individual clicks and (2) the cross-correlation of click-trains to identify the relative time delays. The algorithm is demonstrated on at-sea recorded data, showing the elimination of time-delay ambiguities associated with the reverberation paths observed at sensor pairs. |
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Authors:
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Paul M Baggenstoss |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 129 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-06-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
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Languages: eng Pagination: 3598 Citation Subset: IM |
Affiliation:
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Naval Undersea Warfare Center, 1176 Howell Street, Newport, Rhode Island, 02841. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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